What is the cheapest airline that flies from Medford to Ontario?

Alaska Airlines and United Airlines are the most popular carriers operating from Medford to Ontario

What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of December 2025.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$91 Cheap Flights from Medford to Ontario in 2025/26

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Find the cheapest flights from Medford to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:20 pm - 10:51 pmMFR-ONT

5h 31m1 stop

3:30 pm - 10:59 pmONT-MFR

7h 29m1 stop

$167Delta

Find Deal

mar., ene. 20 - sáb., ene. 31

5:20 pm - 12:16 pmMFR-ONT

18h 56m2 stops

7:30 am - 1:28 pmONT-MFR

5h 58m1 stop

$172Delta

Find Deal

lun., ene. 19 - sáb., ene. 31

12:05 pm - 4:15 pmMFR-ONT

28h 10m2 stops

5:10 pm - 1:28 pmONT-MFR

20h 18m2 stops

$178Delta

Find Deal

lun., ene. 19 - vie., ene. 30

1:22 pm - 3:08 pmMFR-ONT

25h 46m1 stop

4:03 pm - 12:43 pmONT-MFR

20h 40m1 stop

$184Alaska Airlines

Find Deal

mar., ene. 20 - vie., ene. 23

9:21 pm - 7:37 amMFR-ONT

10h 16m1 stop

7:15 am - 8:31 pmONT-MFR

37h 16m2 stops

$199Multiple Airlines

Find Deal

dom., ene. 18 - sáb., ene. 31

5:42 pm - 3:08 pmMFR-ONT

21h 26m1 stop

4:03 pm - 12:43 pmONT-MFR

20h 40m1 stop

$204Alaska Airlines

Find Deal

lun., ene. 19 - dom., feb. 1

9:03 pm - 12:14 amMFR-ONT

27h 11m1 stop

11:53 am - 12:43 pmONT-MFR

24h 50m1 stop

$206Alaska Airlines

Find Deal

dom., ene. 4 - dom., ene. 11

9:21 pm - 5:44 pmMFR-ONT

20h 23m1 stop

11:04 am - 8:31 pmONT-MFR

9h 27m2 stops

$208Multiple Airlines

Find Deal

dom., ene. 18 - jue., ene. 29

12:39 pm - 5:03 pmMFR-ONT

4h 24m1 stop

11:53 am - 5:02 pmONT-MFR

5h 09m1 stop

$212Alaska Airlines

Find Deal

mar., ene. 13 - sáb., ene. 17

9:21 pm - 5:44 pmMFR-ONT

20h 23m1 stop

3:04 pm - 2:42 pmONT-MFR

23h 38m1 stop

$213Multiple Airlines

Find Deal

dom., ene. 18 - sáb., ene. 31

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

Delta

Jan 20

MFR5:20 pmMedford

5h 31m

1 stop

ONT10:51 pmOntario

Jan 31

ONT3:30 pmOntario

7h 29m

1 stop

MFR10:59 pmMedford

$167

Find similar

Delta

Jan 19

MFR5:20 pmMedford

18h 56m

2 stops

ONT12:16 pmOntario

Jan 31

ONT7:30 amOntario

5h 58m

1 stop

MFR1:28 pmMedford

$172

Find similar

Delta

Jan 19

MFR12:05 pmMedford

28h 10m

2 stops

ONT4:15 pmOntario

Jan 30

ONT5:10 pmOntario

20h 18m

2 stops

MFR1:28 pmMedford

$178

Find similar

Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Jan 20

MFR1:22 pmMedford

25h 46m

1 stop

ONT3:08 pmOntario

Jan 23

ONT4:03 pmOntario

20h 40m

1 stop

MFR12:43 pmMedford

$184

Find similar

Alaska Airlines

Jan 19

MFR5:42 pmMedford

21h 26m

1 stop

ONT3:08 pmOntario

Feb 1

ONT4:03 pmOntario

20h 40m

1 stop

MFR12:43 pmMedford

$204

Find similar

Alaska Airlines

Jan 4

MFR9:03 pmMedford

27h 11m

1 stop

ONT12:14 amOntario

Jan 11

ONT11:53 amOntario

24h 50m

1 stop

MFR12:43 pmMedford

$206

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

mar. 1/20

5:20 pm-10:51 pm

1 stop5h 31m

Ontario

sáb. 1/31

3:30 pm-10:59 pm

1 stop7h 29m

$167

MedfordOntario

MFR - ONT

MFRONT

Medford

lun. 1/19

5:20 pm-12:16 pm

2 stops18h 56m

Ontario

sáb. 1/31

7:30 am-1:28 pm

1 stop5h 58m

$172

MedfordOntario

MFR - ONT

MFRONT

Medford

lun. 1/19

12:05 pm-4:15 pm

2 stops28h 10m

Ontario

vie. 1/30

5:10 pm-1:28 pm

2 stops20h 18m

$178

MedfordOntario

MFR - ONT

MFRONT

Medford

mar. 1/20

1:22 pm-3:08 pm

1 stop25h 46m

Ontario

vie. 1/23

4:03 pm-12:43 pm

1 stop20h 40m

$184

MedfordOntario

MFR - ONT

MFRONT

Medford

dom. 1/18

9:21 pm-7:37 am

1 stop10h 16m

Ontario

sáb. 1/31

7:15 am-8:31 pm

2 stops37h 16m

$199

MedfordOntario

MFR - ONT

MFRONT

Medford

lun. 1/19

5:42 pm-3:08 pm

1 stop21h 26m

Ontario

dom. 2/1

4:03 pm-12:43 pm

1 stop20h 40m

$204

MedfordOntario

MFR - ONT

MFRONT

Medford

dom. 1/4

9:03 pm-12:14 am

1 stop27h 11m

Ontario

dom. 1/11

11:53 am-12:43 pm

1 stop24h 50m

$206

MedfordOntario

MFR - ONT

MFRONT

Medford

dom. 1/18

9:21 pm-5:44 pm

1 stop20h 23m

Ontario

jue. 1/29

11:04 am-8:31 pm

2 stops9h 27m

$208

MedfordOntario

MFR - ONT

MFRONT

Medford

mar. 1/13

12:39 pm-5:03 pm

1 stop4h 24m

Ontario

sáb. 1/17

11:53 am-5:02 pm

1 stop5h 09m

$212

MedfordOntario

MFR - ONT

MFRONT

Medford

dom. 1/18

9:21 pm-5:44 pm

1 stop20h 23m

Ontario

sáb. 1/31

3:04 pm-2:42 pm

1 stop23h 38m

$213

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you aren’t able to travel during the month of November, then book flights to Ontario from Medford during June instead. Flights to Ontario in June, while not as cheap as those in November, still average around $310.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $288. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Medford to Ontario for around $386.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Medford to Ontario when you can find flight prices for as low as $311. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $407 on average. Flights to Ontario from Medford at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Fastest flight time	3h 43m
Direct flights	None

The fastest flight from Medford to Ontario takes 3h 43m

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

Search flight deals

How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 4h 24m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of December 2025.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 46% of all bookings. The subsequent popular airlines are Alaska Airlines at 39% and Delta at 15%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 8.0 11,390 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 9,064 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.